#2826209 - safe, artist:brianblackberry, edit, pinkie pie, twilight sparkle, earth pony, pony, tau, unicorn, g4, duo, duo female, fancy mathematics, female, forced smile, frown, glowing, glowing horn, grin, hoof hold, hooves, horn, kick, kicking, levitation, magic, mare, math, mathematics in the comments, nerd, nerd pony, open mouth, pi, pi day, pinkie pi, princess taulight, pun, raised leg, rearing, shadow, shove, sign, signature, smiling, squee, tau day, taulight sparkle, telekinesis, unicorn twilight, wide eyes, τ

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